Research your Way to Good Health with the Internet What Kind of Health Information is on the Internet?



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Research your Way to Good Health with the Internet


What Kind of Health Information is on the Internet?

  • Information on health conditions and diseases

  • Medical and surgical treatment information

  • Information about medications and their side-effects

  • Clinical trial postings

  • Medical dictionaries

  • Medical encyclopedias

  • Herbal remedies and alternative medicine

  • Medical organization and association web sites



How To Tell the Good from the Bad

  • Web site evaluation criteria -

  • Who runs the site?

  • Who pays for the site?

  • What is the purpose of the site?

  • Where does the information come from?

  • What is the basis of the information?

  • How is the information selected?

  • How current is the information?

  • How does the site choose links to other sites?

  • What information about you does the site collect, and why?

  • How does the site manage interactions with visitors?

  • -”Ten Things to Know about Evaluating Medical Resources on the Web,” National Cancer Institute, http://www.cancer.gov/cancerinfo/ten-things-to-know, viewed 5/7/03.



The Criteria

  • Who runs the site?

    • Ex. – MEDLINEplus - http://medlineplus.gov
    • Header on all MEDLINEplus pages
        • “A service of the U.S. National Library of Medicine and the National Institutes of Health.”
      • Footer
        • Links to both organizations are located at the bottom of each page.


The Criteria

  • 2. Who pays for the site?

    • The URL ends in .gov which indicates that the site is sponsored by the federal government.
    • Some other kinds of sites:
      • .com indicates a corporate site, ex. http://www.merck.com
      • .edu indicates a site affiliated with an educational institution,
      • ex. http://www.harvard.edu
      • .org indicates a non-profit organization’s website,
        • ex. http://www.americanheart.org


The Criteria

  • What is the purpose of the site?

    • “MEDLINEplus is designed to help you find appropriate, authoritative health information.”
      • http://www.nlm.nih.gov/medlineplus/criteria.html


The Criteria

  • Where does the information come from?

      • http://medlineplus.gov/
    • NLM
    • NIH
    • ADAM (Encyclopedia)
    • Merriam-Webster (Dictionary)
    • News (Reuters)
    • Various health organizations & their websites


The Criteria

  • What is the basis of the information?

    • Varies by link
      • Research links sections tend to have more evidence based links
        • Ex. of evidence:
          • http://cis.nci.nih.gov/fact/5_6.htm
          • http://www.marchofdimes.com/professionals/681_1189.asp


The Criteria

  • How is the information selected?

  • http://www.nlm.nih.gov/medlineplus/criteria.html

    • The site mainly uses full-text publications produced by the NIH and other federal government organizations
    • External links are also chosen based on criteria listed under “selection criteria” (see criteria #8).


The Criteria

  • 7. How current is the information?

    • MEDLINEplus pages list last updated date at bottom.
      • Most pages have been reviewed or updated within the last 2-3 years.
        • Ex. http://www.nlm.nih.gov/medlineplus/antioxidants.html


The Criteria

  • 8. How does the site choose links to other sites?

    • MEDLINEplus - http://www.nlm.nih.gov/medlineplus/criteria.html
      • Their criteria:
        • Quality, authority and accuracy of content
        • Purpose of site is educational, not selling a product and offers information free of charge
        • Availability and maintenance of the web page
        • Special features


The Criteria

  • What information about you does the site collect, and why?

    • Ex. MEDLINEplus - http://www.nlm.nih.gov/medlineplus/privacy.html
      • Privacy Statement located in the Privacy link at the bottom of each page. It states that they collect the following information:
        • IP address from which you access the Internet
        • Date and time you viewed their page or pages
        • Internet address of the Web site from which you linked directly to their site
        • Name of the file or the words you searched
        • Browser used to access their site.
        • Any information you personally provide to them.


The Criteria

  • How does the site manage interactions with visitors?

    • Ex. MEDLINEplus - http://medlineplus.gov
      • “Contact Us” button top of pages in the header.
        • Email form to be filled out by the user.
        • No personal information is required
        • Only ask for an email address if you want a reply
        • The direct email address is also provided in case the form does not work.


Helpful Evaluation Web Sites

  • National Institute of Cancer - http://www.cancer.gov/cancerinfo/ten-things-to-know

  • MEDLINEPlus - http://www.nlm.nih.gov/medlineplus/healthywebsurfing.html

  • Health on the Net Foundation (HON) Site Checker - http://www.hon.ch/HONcode/HONcode_check.html

  • Quackwatch - http://www.quackwatch.org/index.html



Trusted Lists of Websites

  • CAPHIS - http://caphis.mlanet.org/consumer/consumergeneral.html

  • Faulkner Patient/Family Resource Center - http://www.faulknerhospital.org/resources_links.html

  • MGH Blum Patient and Family Learning Center - http://www.massgeneral.org/pflc/consumer.asp



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